The M23025YW-DC  is a dual color, dual function, Clearance Marker Lamp and Ground Illumination Light.  Improve driver safety by lighting up the ground at night around the tractor and/or trailer.  The white “aux” light is designed for stationary applications, and not recommended for moving vehicles.  The three-wire connection allows a dedicated circuit and switch to activate the ground light.  This light features a polycarbonate lens and housing and is backed by a 5-year warranty.